/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack-2.i


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 15:33:40,958 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 15:33:40,962 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 15:33:40,991 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 15:33:40,992 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 15:33:40,993 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 15:33:40,995 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 15:33:40,996 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 15:33:40,998 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 15:33:40,999 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 15:33:41,000 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 15:33:41,001 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 15:33:41,001 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 15:33:41,002 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 15:33:41,003 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 15:33:41,004 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 15:33:41,005 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 15:33:41,006 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 15:33:41,008 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 15:33:41,010 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 15:33:41,011 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 15:33:41,012 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 15:33:41,013 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 15:33:41,014 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 15:33:41,017 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 15:33:41,017 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 15:33:41,017 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 15:33:41,018 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 15:33:41,019 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 15:33:41,020 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 15:33:41,020 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 15:33:41,021 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 15:33:41,023 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 15:33:41,025 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 15:33:41,026 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 15:33:41,026 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 15:33:41,027 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 15:33:41,028 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 15:33:41,028 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 15:33:41,029 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 15:33:41,035 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 15:33:41,036 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-18 15:33:41,081 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 15:33:41,082 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 15:33:41,083 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 15:33:41,083 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 15:33:41,084 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 15:33:41,084 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 15:33:41,084 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 15:33:41,084 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 15:33:41,084 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 15:33:41,085 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 15:33:41,086 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 15:33:41,086 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 15:33:41,086 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 15:33:41,086 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 15:33:41,087 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 15:33:41,087 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 15:33:41,087 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 15:33:41,087 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 15:33:41,087 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 15:33:41,088 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 15:33:41,088 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 15:33:41,088 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 15:33:41,088 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 15:33:41,088 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 15:33:41,089 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 15:33:41,089 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 15:33:41,089 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 15:33:41,089 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 15:33:41,089 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 15:33:41,089 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false
[2020-08-18 15:33:41,393 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 15:33:41,406 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 15:33:41,413 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 15:33:41,414 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 15:33:41,415 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 15:33:41,416 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i
[2020-08-18 15:33:41,481 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d5c2061b/7611c2783e524544933ca9d50142bc70/FLAGb6d67e21c
[2020-08-18 15:33:42,077 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 15:33:42,078 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/stack-2.i
[2020-08-18 15:33:42,104 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d5c2061b/7611c2783e524544933ca9d50142bc70/FLAGb6d67e21c
[2020-08-18 15:33:42,313 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d5c2061b/7611c2783e524544933ca9d50142bc70
[2020-08-18 15:33:42,323 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 15:33:42,324 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 15:33:42,325 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 15:33:42,325 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 15:33:42,329 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 15:33:42,330 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:33:42" (1/1) ...
[2020-08-18 15:33:42,333 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d9a176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:42, skipping insertion in model container
[2020-08-18 15:33:42,333 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:33:42" (1/1) ...
[2020-08-18 15:33:42,341 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 15:33:42,403 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 15:33:43,025 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 15:33:43,042 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 15:33:43,088 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 15:33:43,237 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 15:33:43,238 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43 WrapperNode
[2020-08-18 15:33:43,238 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 15:33:43,239 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 15:33:43,239 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 15:33:43,239 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 15:33:43,256 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43" (1/1) ...
[2020-08-18 15:33:43,257 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43" (1/1) ...
[2020-08-18 15:33:43,293 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43" (1/1) ...
[2020-08-18 15:33:43,294 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43" (1/1) ...
[2020-08-18 15:33:43,325 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43" (1/1) ...
[2020-08-18 15:33:43,331 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43" (1/1) ...
[2020-08-18 15:33:43,340 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43" (1/1) ...
[2020-08-18 15:33:43,351 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 15:33:43,352 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 15:33:43,352 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 15:33:43,352 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 15:33:43,353 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 15:33:43,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 15:33:43,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 15:33:43,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-08-18 15:33:43,415 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2020-08-18 15:33:43,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2020-08-18 15:33:43,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2020-08-18 15:33:43,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2020-08-18 15:33:43,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2020-08-18 15:33:43,416 INFO  L138     BoogieDeclarations]: Found implementation of procedure error
[2020-08-18 15:33:43,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure inc_top
[2020-08-18 15:33:43,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure dec_top
[2020-08-18 15:33:43,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_top
[2020-08-18 15:33:43,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure stack_empty
[2020-08-18 15:33:43,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure push
[2020-08-18 15:33:43,417 INFO  L138     BoogieDeclarations]: Found implementation of procedure pop
[2020-08-18 15:33:43,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2020-08-18 15:33:43,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2020-08-18 15:33:43,418 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 15:33:43,418 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 15:33:43,419 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-08-18 15:33:43,419 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-08-18 15:33:43,419 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2020-08-18 15:33:43,419 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2020-08-18 15:33:43,420 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint16_identity
[2020-08-18 15:33:43,420 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint32_identity
[2020-08-18 15:33:43,420 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint64_identity
[2020-08-18 15:33:43,420 INFO  L130     BoogieDeclarations]: Found specification of procedure __sched_cpucount
[2020-08-18 15:33:43,420 INFO  L130     BoogieDeclarations]: Found specification of procedure __sched_cpualloc
[2020-08-18 15:33:43,421 INFO  L130     BoogieDeclarations]: Found specification of procedure __sched_cpufree
[2020-08-18 15:33:43,421 INFO  L130     BoogieDeclarations]: Found specification of procedure sched_setparam
[2020-08-18 15:33:43,421 INFO  L130     BoogieDeclarations]: Found specification of procedure sched_getparam
[2020-08-18 15:33:43,421 INFO  L130     BoogieDeclarations]: Found specification of procedure sched_setscheduler
[2020-08-18 15:33:43,422 INFO  L130     BoogieDeclarations]: Found specification of procedure sched_getscheduler
[2020-08-18 15:33:43,422 INFO  L130     BoogieDeclarations]: Found specification of procedure sched_yield
[2020-08-18 15:33:43,422 INFO  L130     BoogieDeclarations]: Found specification of procedure sched_get_priority_max
[2020-08-18 15:33:43,422 INFO  L130     BoogieDeclarations]: Found specification of procedure sched_get_priority_min
[2020-08-18 15:33:43,422 INFO  L130     BoogieDeclarations]: Found specification of procedure sched_rr_get_interval
[2020-08-18 15:33:43,423 INFO  L130     BoogieDeclarations]: Found specification of procedure clock
[2020-08-18 15:33:43,423 INFO  L130     BoogieDeclarations]: Found specification of procedure time
[2020-08-18 15:33:43,423 INFO  L130     BoogieDeclarations]: Found specification of procedure difftime
[2020-08-18 15:33:43,423 INFO  L130     BoogieDeclarations]: Found specification of procedure mktime
[2020-08-18 15:33:43,424 INFO  L130     BoogieDeclarations]: Found specification of procedure strftime
[2020-08-18 15:33:43,424 INFO  L130     BoogieDeclarations]: Found specification of procedure strftime_l
[2020-08-18 15:33:43,424 INFO  L130     BoogieDeclarations]: Found specification of procedure gmtime
[2020-08-18 15:33:43,424 INFO  L130     BoogieDeclarations]: Found specification of procedure localtime
[2020-08-18 15:33:43,424 INFO  L130     BoogieDeclarations]: Found specification of procedure gmtime_r
[2020-08-18 15:33:43,424 INFO  L130     BoogieDeclarations]: Found specification of procedure localtime_r
[2020-08-18 15:33:43,425 INFO  L130     BoogieDeclarations]: Found specification of procedure asctime
[2020-08-18 15:33:43,425 INFO  L130     BoogieDeclarations]: Found specification of procedure ctime
[2020-08-18 15:33:43,425 INFO  L130     BoogieDeclarations]: Found specification of procedure asctime_r
[2020-08-18 15:33:43,425 INFO  L130     BoogieDeclarations]: Found specification of procedure ctime_r
[2020-08-18 15:33:43,425 INFO  L130     BoogieDeclarations]: Found specification of procedure tzset
[2020-08-18 15:33:43,425 INFO  L130     BoogieDeclarations]: Found specification of procedure stime
[2020-08-18 15:33:43,426 INFO  L130     BoogieDeclarations]: Found specification of procedure timegm
[2020-08-18 15:33:43,426 INFO  L130     BoogieDeclarations]: Found specification of procedure timelocal
[2020-08-18 15:33:43,426 INFO  L130     BoogieDeclarations]: Found specification of procedure dysize
[2020-08-18 15:33:43,426 INFO  L130     BoogieDeclarations]: Found specification of procedure nanosleep
[2020-08-18 15:33:43,426 INFO  L130     BoogieDeclarations]: Found specification of procedure clock_getres
[2020-08-18 15:33:43,426 INFO  L130     BoogieDeclarations]: Found specification of procedure clock_gettime
[2020-08-18 15:33:43,427 INFO  L130     BoogieDeclarations]: Found specification of procedure clock_settime
[2020-08-18 15:33:43,427 INFO  L130     BoogieDeclarations]: Found specification of procedure clock_nanosleep
[2020-08-18 15:33:43,427 INFO  L130     BoogieDeclarations]: Found specification of procedure clock_getcpuclockid
[2020-08-18 15:33:43,427 INFO  L130     BoogieDeclarations]: Found specification of procedure timer_create
[2020-08-18 15:33:43,427 INFO  L130     BoogieDeclarations]: Found specification of procedure timer_delete
[2020-08-18 15:33:43,427 INFO  L130     BoogieDeclarations]: Found specification of procedure timer_settime
[2020-08-18 15:33:43,428 INFO  L130     BoogieDeclarations]: Found specification of procedure timer_gettime
[2020-08-18 15:33:43,428 INFO  L130     BoogieDeclarations]: Found specification of procedure timer_getoverrun
[2020-08-18 15:33:43,428 INFO  L130     BoogieDeclarations]: Found specification of procedure timespec_get
[2020-08-18 15:33:43,428 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_create
[2020-08-18 15:33:43,428 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_exit
[2020-08-18 15:33:43,429 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_join
[2020-08-18 15:33:43,429 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_detach
[2020-08-18 15:33:43,429 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_self
[2020-08-18 15:33:43,429 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_equal
[2020-08-18 15:33:43,429 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_init
[2020-08-18 15:33:43,430 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_destroy
[2020-08-18 15:33:43,430 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate
[2020-08-18 15:33:43,430 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate
[2020-08-18 15:33:43,430 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize
[2020-08-18 15:33:43,430 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize
[2020-08-18 15:33:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam
[2020-08-18 15:33:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam
[2020-08-18 15:33:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy
[2020-08-18 15:33:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy
[2020-08-18 15:33:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched
[2020-08-18 15:33:43,431 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched
[2020-08-18 15:33:43,432 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_getscope
[2020-08-18 15:33:43,432 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_setscope
[2020-08-18 15:33:43,432 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr
[2020-08-18 15:33:43,432 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr
[2020-08-18 15:33:43,432 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize
[2020-08-18 15:33:43,433 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize
[2020-08-18 15:33:43,433 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_getstack
[2020-08-18 15:33:43,433 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_attr_setstack
[2020-08-18 15:33:43,433 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_setschedparam
[2020-08-18 15:33:43,433 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_getschedparam
[2020-08-18 15:33:43,433 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_setschedprio
[2020-08-18 15:33:43,434 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_once
[2020-08-18 15:33:43,434 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_setcancelstate
[2020-08-18 15:33:43,434 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_setcanceltype
[2020-08-18 15:33:43,434 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_cancel
[2020-08-18 15:33:43,434 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_testcancel
[2020-08-18 15:33:43,434 INFO  L130     BoogieDeclarations]: Found specification of procedure __pthread_register_cancel
[2020-08-18 15:33:43,435 INFO  L130     BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel
[2020-08-18 15:33:43,435 INFO  L130     BoogieDeclarations]: Found specification of procedure __pthread_unwind_next
[2020-08-18 15:33:43,435 INFO  L130     BoogieDeclarations]: Found specification of procedure __sigsetjmp
[2020-08-18 15:33:43,435 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutex_init
[2020-08-18 15:33:43,435 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy
[2020-08-18 15:33:43,435 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock
[2020-08-18 15:33:43,435 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutex_lock
[2020-08-18 15:33:43,436 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock
[2020-08-18 15:33:43,436 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock
[2020-08-18 15:33:43,436 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling
[2020-08-18 15:33:43,436 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling
[2020-08-18 15:33:43,436 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent
[2020-08-18 15:33:43,436 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init
[2020-08-18 15:33:43,436 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy
[2020-08-18 15:33:43,436 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared
[2020-08-18 15:33:43,436 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared
[2020-08-18 15:33:43,437 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype
[2020-08-18 15:33:43,437 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype
[2020-08-18 15:33:43,437 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol
[2020-08-18 15:33:43,437 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol
[2020-08-18 15:33:43,437 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling
[2020-08-18 15:33:43,437 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling
[2020-08-18 15:33:43,438 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust
[2020-08-18 15:33:43,438 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust
[2020-08-18 15:33:43,438 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlock_init
[2020-08-18 15:33:43,438 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy
[2020-08-18 15:33:43,438 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock
[2020-08-18 15:33:43,438 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock
[2020-08-18 15:33:43,439 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock
[2020-08-18 15:33:43,439 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock
[2020-08-18 15:33:43,439 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock
[2020-08-18 15:33:43,439 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock
[2020-08-18 15:33:43,439 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock
[2020-08-18 15:33:43,439 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init
[2020-08-18 15:33:43,439 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy
[2020-08-18 15:33:43,440 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared
[2020-08-18 15:33:43,440 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared
[2020-08-18 15:33:43,440 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np
[2020-08-18 15:33:43,440 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np
[2020-08-18 15:33:43,440 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_cond_init
[2020-08-18 15:33:43,440 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_cond_destroy
[2020-08-18 15:33:43,441 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_cond_signal
[2020-08-18 15:33:43,441 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast
[2020-08-18 15:33:43,441 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_cond_wait
[2020-08-18 15:33:43,441 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait
[2020-08-18 15:33:43,441 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_condattr_init
[2020-08-18 15:33:43,441 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy
[2020-08-18 15:33:43,441 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared
[2020-08-18 15:33:43,442 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared
[2020-08-18 15:33:43,442 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock
[2020-08-18 15:33:43,442 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock
[2020-08-18 15:33:43,442 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_spin_init
[2020-08-18 15:33:43,442 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_spin_destroy
[2020-08-18 15:33:43,442 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_spin_lock
[2020-08-18 15:33:43,442 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_spin_trylock
[2020-08-18 15:33:43,443 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_spin_unlock
[2020-08-18 15:33:43,443 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_barrier_init
[2020-08-18 15:33:43,443 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy
[2020-08-18 15:33:43,443 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_barrier_wait
[2020-08-18 15:33:43,443 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init
[2020-08-18 15:33:43,443 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy
[2020-08-18 15:33:43,443 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared
[2020-08-18 15:33:43,444 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared
[2020-08-18 15:33:43,444 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_key_create
[2020-08-18 15:33:43,444 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_key_delete
[2020-08-18 15:33:43,444 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_getspecific
[2020-08-18 15:33:43,444 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_setspecific
[2020-08-18 15:33:43,444 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid
[2020-08-18 15:33:43,444 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_atfork
[2020-08-18 15:33:43,445 INFO  L130     BoogieDeclarations]: Found specification of procedure __underflow
[2020-08-18 15:33:43,445 INFO  L130     BoogieDeclarations]: Found specification of procedure __uflow
[2020-08-18 15:33:43,445 INFO  L130     BoogieDeclarations]: Found specification of procedure __overflow
[2020-08-18 15:33:43,445 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_getc
[2020-08-18 15:33:43,445 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_putc
[2020-08-18 15:33:43,445 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_feof
[2020-08-18 15:33:43,445 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ferror
[2020-08-18 15:33:43,445 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_peekc_locked
[2020-08-18 15:33:43,446 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_flockfile
[2020-08-18 15:33:43,446 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_funlockfile
[2020-08-18 15:33:43,446 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile
[2020-08-18 15:33:43,446 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfscanf
[2020-08-18 15:33:43,446 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfprintf
[2020-08-18 15:33:43,446 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_padn
[2020-08-18 15:33:43,446 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_sgetn
[2020-08-18 15:33:43,447 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekoff
[2020-08-18 15:33:43,447 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekpos
[2020-08-18 15:33:43,447 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_free_backup_area
[2020-08-18 15:33:43,447 INFO  L130     BoogieDeclarations]: Found specification of procedure remove
[2020-08-18 15:33:43,447 INFO  L130     BoogieDeclarations]: Found specification of procedure rename
[2020-08-18 15:33:43,447 INFO  L130     BoogieDeclarations]: Found specification of procedure renameat
[2020-08-18 15:33:43,447 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpfile
[2020-08-18 15:33:43,448 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam
[2020-08-18 15:33:43,448 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam_r
[2020-08-18 15:33:43,448 INFO  L130     BoogieDeclarations]: Found specification of procedure tempnam
[2020-08-18 15:33:43,448 INFO  L130     BoogieDeclarations]: Found specification of procedure fclose
[2020-08-18 15:33:43,448 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush
[2020-08-18 15:33:43,448 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush_unlocked
[2020-08-18 15:33:43,448 INFO  L130     BoogieDeclarations]: Found specification of procedure fopen
[2020-08-18 15:33:43,449 INFO  L130     BoogieDeclarations]: Found specification of procedure freopen
[2020-08-18 15:33:43,449 INFO  L130     BoogieDeclarations]: Found specification of procedure fdopen
[2020-08-18 15:33:43,449 INFO  L130     BoogieDeclarations]: Found specification of procedure fmemopen
[2020-08-18 15:33:43,449 INFO  L130     BoogieDeclarations]: Found specification of procedure open_memstream
[2020-08-18 15:33:43,449 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuf
[2020-08-18 15:33:43,449 INFO  L130     BoogieDeclarations]: Found specification of procedure setvbuf
[2020-08-18 15:33:43,449 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuffer
[2020-08-18 15:33:43,449 INFO  L130     BoogieDeclarations]: Found specification of procedure setlinebuf
[2020-08-18 15:33:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure fprintf
[2020-08-18 15:33:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-18 15:33:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2020-08-18 15:33:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure vfprintf
[2020-08-18 15:33:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure vprintf
[2020-08-18 15:33:43,450 INFO  L130     BoogieDeclarations]: Found specification of procedure vsprintf
[2020-08-18 15:33:43,451 INFO  L130     BoogieDeclarations]: Found specification of procedure snprintf
[2020-08-18 15:33:43,451 INFO  L130     BoogieDeclarations]: Found specification of procedure vsnprintf
[2020-08-18 15:33:43,451 INFO  L130     BoogieDeclarations]: Found specification of procedure vdprintf
[2020-08-18 15:33:43,451 INFO  L130     BoogieDeclarations]: Found specification of procedure dprintf
[2020-08-18 15:33:43,451 INFO  L130     BoogieDeclarations]: Found specification of procedure fscanf
[2020-08-18 15:33:43,451 INFO  L130     BoogieDeclarations]: Found specification of procedure scanf
[2020-08-18 15:33:43,451 INFO  L130     BoogieDeclarations]: Found specification of procedure sscanf
[2020-08-18 15:33:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure vfscanf
[2020-08-18 15:33:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure vscanf
[2020-08-18 15:33:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure vsscanf
[2020-08-18 15:33:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc
[2020-08-18 15:33:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure getc
[2020-08-18 15:33:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar
[2020-08-18 15:33:43,452 INFO  L130     BoogieDeclarations]: Found specification of procedure getc_unlocked
[2020-08-18 15:33:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar_unlocked
[2020-08-18 15:33:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc_unlocked
[2020-08-18 15:33:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc
[2020-08-18 15:33:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure putc
[2020-08-18 15:33:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar
[2020-08-18 15:33:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc_unlocked
[2020-08-18 15:33:43,453 INFO  L130     BoogieDeclarations]: Found specification of procedure putc_unlocked
[2020-08-18 15:33:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar_unlocked
[2020-08-18 15:33:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure getw
[2020-08-18 15:33:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure putw
[2020-08-18 15:33:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure fgets
[2020-08-18 15:33:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure __getdelim
[2020-08-18 15:33:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure getdelim
[2020-08-18 15:33:43,454 INFO  L130     BoogieDeclarations]: Found specification of procedure getline
[2020-08-18 15:33:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure fputs
[2020-08-18 15:33:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2020-08-18 15:33:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure ungetc
[2020-08-18 15:33:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure fread
[2020-08-18 15:33:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite
[2020-08-18 15:33:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure fread_unlocked
[2020-08-18 15:33:43,455 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite_unlocked
[2020-08-18 15:33:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure fseek
[2020-08-18 15:33:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure ftell
[2020-08-18 15:33:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure rewind
[2020-08-18 15:33:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure fseeko
[2020-08-18 15:33:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure ftello
[2020-08-18 15:33:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetpos
[2020-08-18 15:33:43,456 INFO  L130     BoogieDeclarations]: Found specification of procedure fsetpos
[2020-08-18 15:33:43,457 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr
[2020-08-18 15:33:43,457 INFO  L130     BoogieDeclarations]: Found specification of procedure feof
[2020-08-18 15:33:43,457 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror
[2020-08-18 15:33:43,457 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr_unlocked
[2020-08-18 15:33:43,457 INFO  L130     BoogieDeclarations]: Found specification of procedure feof_unlocked
[2020-08-18 15:33:43,457 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror_unlocked
[2020-08-18 15:33:43,457 INFO  L130     BoogieDeclarations]: Found specification of procedure perror
[2020-08-18 15:33:43,458 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno
[2020-08-18 15:33:43,458 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno_unlocked
[2020-08-18 15:33:43,458 INFO  L130     BoogieDeclarations]: Found specification of procedure popen
[2020-08-18 15:33:43,458 INFO  L130     BoogieDeclarations]: Found specification of procedure pclose
[2020-08-18 15:33:43,458 INFO  L130     BoogieDeclarations]: Found specification of procedure ctermid
[2020-08-18 15:33:43,458 INFO  L130     BoogieDeclarations]: Found specification of procedure flockfile
[2020-08-18 15:33:43,458 INFO  L130     BoogieDeclarations]: Found specification of procedure ftrylockfile
[2020-08-18 15:33:43,459 INFO  L130     BoogieDeclarations]: Found specification of procedure funlockfile
[2020-08-18 15:33:43,459 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2020-08-18 15:33:43,459 INFO  L130     BoogieDeclarations]: Found specification of procedure error
[2020-08-18 15:33:43,459 INFO  L130     BoogieDeclarations]: Found specification of procedure inc_top
[2020-08-18 15:33:43,459 INFO  L130     BoogieDeclarations]: Found specification of procedure dec_top
[2020-08-18 15:33:43,459 INFO  L130     BoogieDeclarations]: Found specification of procedure get_top
[2020-08-18 15:33:43,459 INFO  L130     BoogieDeclarations]: Found specification of procedure stack_empty
[2020-08-18 15:33:43,460 INFO  L130     BoogieDeclarations]: Found specification of procedure push
[2020-08-18 15:33:43,460 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-18 15:33:43,460 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-18 15:33:43,460 INFO  L130     BoogieDeclarations]: Found specification of procedure pop
[2020-08-18 15:33:43,460 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-18 15:33:43,460 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2020-08-18 15:33:43,460 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2020-08-18 15:33:43,461 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2020-08-18 15:33:43,461 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 15:33:43,461 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-18 15:33:43,461 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 15:33:43,461 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-18 15:33:43,462 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 15:33:43,464 WARN  L205             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-08-18 15:33:44,232 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 15:33:44,233 INFO  L295             CfgBuilder]: Removed 2 assume(true) statements.
[2020-08-18 15:33:44,237 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:33:44 BoogieIcfgContainer
[2020-08-18 15:33:44,237 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 15:33:44,238 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 15:33:44,238 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 15:33:44,242 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 15:33:44,242 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:33:42" (1/3) ...
[2020-08-18 15:33:44,243 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6353745d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:33:44, skipping insertion in model container
[2020-08-18 15:33:44,243 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:33:43" (2/3) ...
[2020-08-18 15:33:44,243 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6353745d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:33:44, skipping insertion in model container
[2020-08-18 15:33:44,244 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:33:44" (3/3) ...
[2020-08-18 15:33:44,245 INFO  L109   eAbstractionObserver]: Analyzing ICFG stack-2.i
[2020-08-18 15:33:44,256 WARN  L146   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-08-18 15:33:44,256 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 15:33:44,264 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 15:33:44,265 INFO  L340   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-08-18 15:33:44,300 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,301 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,301 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,301 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,301 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,302 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,302 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,302 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,302 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,303 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,303 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,303 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,303 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,303 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,304 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,304 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-08-18 15:33:44,305 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.<init>(ProcedureMultiplier.java:251)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.<init>(IcfgPetrifier.java:123)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:127)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2020-08-18 15:33:44,311 INFO  L168              Benchmark]: Toolchain (without parser) took 1985.19 ms. Allocated memory was 138.9 MB in the beginning and 234.4 MB in the end (delta: 95.4 MB). Free memory was 100.1 MB in the beginning and 152.7 MB in the end (delta: -52.5 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB.
[2020-08-18 15:33:44,312 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB.
[2020-08-18 15:33:44,313 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 913.32 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 99.7 MB in the beginning and 134.3 MB in the end (delta: -34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB.
[2020-08-18 15:33:44,314 INFO  L168              Benchmark]: Boogie Preprocessor took 112.64 ms. Allocated memory is still 202.9 MB. Free memory was 134.3 MB in the beginning and 129.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
[2020-08-18 15:33:44,315 INFO  L168              Benchmark]: RCFGBuilder took 885.12 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 129.3 MB in the beginning and 159.6 MB in the end (delta: -30.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB.
[2020-08-18 15:33:44,316 INFO  L168              Benchmark]: TraceAbstraction took 69.53 ms. Allocated memory is still 234.4 MB. Free memory was 159.6 MB in the beginning and 152.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB.
[2020-08-18 15:33:44,321 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 913.32 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 99.7 MB in the beginning and 134.3 MB in the end (delta: -34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 112.64 ms. Allocated memory is still 202.9 MB. Free memory was 134.3 MB in the beginning and 129.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 885.12 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 129.3 MB in the beginning and 159.6 MB in the end (delta: -30.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 69.53 ms. Allocated memory is still 234.4 MB. Free memory was 159.6 MB in the beginning and 152.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.<init>(ProcedureMultiplier.java:251)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...